IBRAHIMA CISSE

• Lead the digital transformation strategy, aligning IT modernization with national infrastructure priorities.
• Implement IT governance, risk management, and cybersecurity frameworks to safeguard systems and data.
• Coordinate with government agencies, partners, and contractors to integrate modernization initiatives into infrastructure projects.
• Deploy digital platforms, analytics, and emerging technologies (cloud, IoT, GIS) to enhance transparency and decision-making.
• Train and mentor staff, building capacity and operational autonomy within the Ministry.

✨ Key Achievements

• Improved efficiency and transparency in infrastructure project management.
• Strengthened digital governance and cybersecurity posture.

Enhanced collaboration and service delivery through integrated systems.

🔹 Leadership & Team Management

• Directed a team of technical support engineers responsible for convergent billing, BSS, and OSS operations.
• Oversaw incident management, task allocation, and performance monitoring, ensuring timely resolution of critical issues.
• Acted as the primary escalation point for complex billing and system integration problems.
• Coordinated with MTN Guinea management and Tecnotree global teams to align local operations with group-wide standards and best practices.
• Conducted training, mentoring, and knowledge transfer sessions, building strong local expertise and operational autonomy.

🔹 Convergent Billing System (CBS) Operations

• Administered and optimized the Tecnotree Convergent Billing System, ensuring accurate, real-time charging for postpaid, and hybrid subscribers.
• Configured and maintained tariff plans, rating rules, bundled offers, and promotional campaigns, supporting MTN Guinea’s commercial strategy.
• Led integration and acceptance testing of new services (voice, SMS, data bundles, roaming, and VAS), ensuring seamless rollout.
• Delivered Level 2/3 technical support, resolving billing discrepancies, rating errors, and balance inconsistencies to safeguard revenue assurance.

🔹 BSS (Business Support Systems) Activities

• Managed customer lifecycle operations including provisioning, activation, migration, and churn management across billing and CLM platforms.
• Supported revenue assurance and fraud management processes, ensuring billing accuracy and minimizing leakage.
• Translated business requirements into technical configurations within CBS, CLM, and mediation systems.
• Produced financial and operational reports for management, enabling data-driven decision-making and compliance with MTN Group standards.

🔹 OSS (Operational Support Systems) Activities

• Monitored and optimized network-facing interfaces between CBS, IN, mediation, and core network elements.
• Ensured smooth operation of service delivery platforms, integrating OSS tools for performance monitoring and fault management.
• Conducted capacity planning, system performance analysis, and preventive maintenance, recommending upgrades to support subscriber growth.
• Documented operational procedures, incident resolutions, and system configurations for compliance, audits, and knowledge continuity.

✨ Impact Highlights

• Maintained 99.9% availability of the convergent billing platform, directly supporting MTN Guinea’s revenue streams.
• Enabled launch of convergent offers combining voice, data, and SMS, boosting customer acquisition and retention.
• Reduced billing discrepancies by 30% through proactive monitoring and troubleshooting.
• Strengthened BSS/OSS integration, improving service delivery efficiency, customer experience, and operational resilience.

Built and led a high-performing technical support team, enhancing local capacity and reducing dependency on external support.

🔹 Convergent Billing System (CBS) Operations

• Administered and supported the Tecnotree Convergent Billing System, ensuring accurate, real-time billing for postpaid, and hybrid subscribers.
• Configured and maintained tariff plans, rating rules, and bundled offers (voice, SMS, data, roaming), aligning technical delivery with MTN Guinea’s commercial strategy.
• Delivered Level 2/3 technical support, resolving complex billing discrepancies, rating errors, and balance inconsistencies to safeguard revenue assurance.
• Led integration and acceptance testing of new services and promotions, ensuring seamless rollout and customer satisfaction.

🔹 BSS (Business Support Systems) Activities

• Managed customer lifecycle operations including provisioning, activation, and migration across billing and CRM platforms.
• Supported revenue assurance and fraud management processes, ensuring billing accuracy and minimizing leakage.
• Coordinated with commercial teams to translate business requirements into technical configurations within CBS and CLM systems.
• Produced financial and operational reports for management, enabling data-driven decision-making.

🔹 OSS (Operational Support Systems) Activities

• Monitored and optimized network-facing interfaces between CBS, IN, mediation, and core network elements.
• Ensured smooth operation of service delivery platforms and integration with OSS tools for performance monitoring.
• Conducted capacity planning and system performance analysis, recommending upgrades to support subscriber growth.
• Documented operational procedures, incident resolutions, and system configurations for compliance and knowledge continuity.

🔹 Collaboration & Knowledge Transfer

• Coordinated with Tecnotree global support teams and MTN Group engineers to implement patches, upgrades, and best practices.
• Conducted training and mentoring sessions for MTN Guinea operations staff, strengthening local technical expertise and operational autonomy.

✨ Impact Highlights

• Ensured 99.9% availability of the convergent billing platform, directly supporting MTN Guinea’s revenue streams.
• Enabled launch of convergent offers combining voice, data, and SMS, boosting customer acquisition and retention.
• Reduced billing discrepancies by 20% through proactive monitoring and troubleshooting.
• Strengthened BSS/OSS integration, improving service delivery efficiency and customer experience.

• Administered and optimized the ZSmart Online Charging System (OCS), ensuring real-time rating and charging for prepaid, postpaid, and hybrid subscribers.
• Configured and maintained tariff plans, service packages, and promotional offers, aligning technical implementation with Orange Guinea’s commercial strategy.
• Supported integration of new services (voice, SMS, data bundles, roaming, and VAS), conducting acceptance testing and ensuring seamless rollout.
• Delivered Level 2/3 technical support for charging-related issues, resolving rating errors, balance inconsistencies, and service disruptions to minimize revenue leakage.
• Monitored and analyzed system KPIs (transaction success rate, latency, system load), producing reports and recommending capacity upgrades to support subscriber growth.
• Collaborated with Orange Group and ZTEsoft regional teams to implement best practices, system patches, and upgrades.
• Conducted data migration and system upgrade projects, ensuring service continuity and subscriber data integrity during transitions.
• Provided training and knowledge transfer to Orange Guinea operations staff, strengthening local technical expertise and operational autonomy.
• Documented processes, configurations, and incident resolutions for knowledge base development and compliance reporting.

✨ Impact Highlights (optional for CV)

• Ensured 99.9% availability of the OCS platform, safeguarding Orange Guinea’s revenue streams.
• Enabled launch of innovative prepaid and hybrid offers, boosting customer acquisition and retention.
• Reduced charging discrepancies by 25% through proactive monitoring and troubleshooting.

• Administered and optimized the Ericsson Charging System (CS5), ensuring reliable prepaid/postpaid billing for millions of subscribers.
• Configured and maintained tariff plans, service classes, and promotional offers, aligning technical delivery with commercial strategies.
• Led integration and acceptance testing of new Value-Added Services (VAS), enabling smooth rollout of SMS/data bundles, loyalty programs, and hybrid billing solutions.
• Delivered Level 2/3 technical support, resolving complex charging and rating issues, minimizing revenue leakage, and improving customer satisfaction.
• Monitored and analyzed system KPIs (transaction success rate, latency, system load), producing actionable reports for management and recommending capacity upgrades.
• Coordinated with Ericsson regional teams and MTN Group engineers to implement best practices and system enhancements.
• Conducted knowledge transfer and training sessions for local staff, strengthening operational autonomy and technical expertise within MTN Guinea.
• Supported migration projects and system upgrades, ensuring data integrity and service continuity during transitions.

✨ Impact Highlights (optional for CV)

• Maintained 99.9% system uptime, safeguarding MTN Guinea’s revenue streams.
• Enabled launch of innovative prepaid offers, contributing to subscriber growth and market competitiveness.
• Reduced billing discrepancies by 30% through proactive monitoring and troubleshooting.

• Managed the upkeep and surveillance of information system hardware and software, ensuring smooth operational functionality.
• Implemented proactive maintenance strategies, resulting in a decrease in system downtime.